横向
1
Comparison of two quantities
5
Steepness of a line
6
Math using letters for unknown values
7
Rectangular array of numbers
8
Result of raising a number to an exponent
10
Mathematical statement of equality
11
Line segment connecting two circle points
12
Number divisible only by 1 and itself
纵向
2
Sum divided by count
3
Number greater than zero
4
Power to which a number is raised
7
Repeated addition
9
Part of a circle's circumference
13
The number representing nothing